#myInput {
    background-image: url('https://static.runoob.com/images/mix/searchicon.png'); /* 搜索按钮 */
    background-position: 10px 12px; /* 定位搜索按钮 */
    background-repeat: no-repeat; /* 不重复图片*/
    width: 100%; 
    font-size: 16px; /* 加大字体 */
    padding: 12px 20px 12px 40px; 
    border: 1px solid #ddd; 
    margin-bottom: 12px; 
}

#myUL {
    /* 移除默认的列表样式 */
    list-style-type: none;
    padding: 0;
    margin: 0;
}

#myUL li a {
    border: 1px solid #ddd; /* 链接添加边框 */
    margin-top: -1px; 
    background-color: #f6f6f6; 
    padding: 12px; 
    text-decoration: none;
    font-size: 18px; 
    color: black; 
    display: block; 
}

#myUL li a.header {
    background-color: #e2e2e2; 
    cursor: default; 
}

#myUL li a:hover:not(.header) {
    background-color: #eee;
}